baber/WOPTO huggingface dataset:
Patent CA-2200921-C (CA)
Inventor: SCHOBER MICHAEL B
IPC: G01S13/52
Filed: 1997-03-25
Granted: 2000-05-16
Abstract: A radar tracking system 100 adapted for use with existing radar tracking systems. The inventive system includes a radar target detection system 106, 108 for detecting radar targets in clutter using magnitude and angular position information obtained from return signals. A tracking algorithm 104 is used to track and update the positions of said targets with respect to the position of the radar system. The tracking algorithm includes a true target angle estimator 110 for maintaining accurate target angle information when the target is clutter and when the target is out of clutter. The tracking algorithm maintains accurate target distance information when the target is in clutter and when the target is out of clutter. In a specific embodiment, accurate distance information is maintained in a track file 122 where the amplitudes of return signals are stored once a target is detected by the detection system 100.
Patent CA-2204449-C (CA)
Title: External fixator
Inventor: MATA JACQUES
IPC: A61B17/60
Filed: 1997-05-05
Granted: 2000-10-17
Abstract: This external fixator includes at least: two groups of pins (3, 4)  inserted respectively on either side of the fracture, ~   two vices (5, 6) for securing the pins, ~   two vices elements (7, 3) providing for  the orientation of the vice in relation to an immobilizing rod (9), one of the jaws of each vice presenting a small bar (50) intended to cooperate with one of the hinge elements.                               Fig. 3
Patent CA-2206137-C (CA)
Inventor: MAEDA SHIGEKI
IPC: H03H15/00
Filed: 1997-05-26
Granted: 2000-08-22
Abstract: The demodulator of this invention is directed toward improving S/N ratio of the demodulator resulting from increase in the peak value of a received signal due to fading.  The demodulator is composed of a roll-off filter (not shown), variable amplifier 16, multiplier 10, compressor 11, variable dynamic range analog/digital converter 12, transversal filter 13, expander 14, tap coefficient control circuit 15, and signal level detector 17.  Signal level detector 17 detects the magnitude of waveform distortion from the output of tap coefficient control circuit 15 and controls the gain of variable amplifier 16 and the dynamic range of analog/digital converter 12, thereby reducing nonlinear distortion in multiplier 10 that is caused by increases in the peak value due to waveform distortion.
Patent CA-2208546-C (CA)
Title: Dispensing reproducible amounts of aerated compositions
Inventor: BIGGS DONALD REGINALD
IPC: A23G3/02
Filed: 1995-11-21
Granted: 2004-11-02
Abstract: Reproducible volumes of aerated composition e.g. ice confections, are disposed on a continuous basis by introducing the composition under pressure to one end of a train of volumes (6) formed in a gear pump which moves to a dispensing point (3).
Patent CA-2212037-C (CA)
Title: Mecanisme d'entrainement partiellement monte sur des ressorts, en particulier pour vehicules a traction electrique
Inventor: SKUMAWITZ ERWIN
IPC: B61C9/50
Filed: 1996-01-24
Granted: 2002-04-16
Abstract: La présente invention concerne un dispositif d'entraînement partiellement monté sur ressorts, en particulier pour véhicules automoteurs électriques, avec une roue dentée d'engrenage qui est montée sur l'axe des roues avec un carter d'engrenage fermé et un pignon logé dans le carter. Le moteur accouplé est fixé à demeure sur le bogie, et la fixation du carter d'engrenage sur le bogie est élastique et faite au moyen d'au moins deux éléments élastiques sensiblement verticaux et placés, sur le bogie, diamétralement par rapport à l'axe du pignon, et dont les lignes d'action passent par le milieu de l'axe du pignon. Le but visé est de limiter les inconvénients résultant des suspensions oscillantes, côté bogie, des carters de dispositifs d'entraînement en dehors de l'axe du pignon et de trouver une solution simple et satisfaisante dans l'ensemble pour la fixation du carter d'engrenage sur le bogie, solution permettant d'obtenir, outre la réduction au minimum, avantageuse sur le plan des coûts, des pertes dans l'accouplement par déformation, un effet stabilisateur permettant de ménager les paliers. Pour y parvenir, il est proposé qu'on puisse régler une contrainte initiale radiale définie du carter d'engrenage (3) par rapport à l'essieu (4/5) en se servant de l'élasticité transversale des éléments élastiques (6). A cet effet, la contrainte initiale radiale peut être réglée au moyen d'un dispositif de blocs amortisseurs en caoutchouc dont les surfaces d'appui se trouvent au-dessus et au-dessous du carter d'engrenage (3).
Patent CA-2213075-C (CA)
Title: Lubricating oil for internal combustion engines
Inventor: NAITOH YASUSHI
IPC: C10M135/00
Filed: 1996-12-24
Granted: 2001-10-09
Abstract: There is disclosed a lubricating oil for internal combustion engine which comprises: a mineral oil and/or a synthetic lubricating oil as a base oil, and oxymolybdenum dithiocarbamate sulfide expressed by the chemical formula (1): (See formula I) wherein R1 or R1 and R3 denote a branched aliphatic hydrocarbon group having not less than fourteen carbons, and R2 through R4 or R2 and R4 denote an aliphatic hydrocarbon group having not less than four carbons, in the amount of 0.005 to 0.2% by weight, when calculated as molybdenum (Mo).
Patent CA-2217638-C (CA)
Title: Control of fine particulate flowback in subterranean wells
Inventor: PARKER MARK A
IPC: E21B43/26
Filed: 1997-10-02
Granted: 2004-02-10
Abstract: The present invention provides a method of treating a wellbore penetrating a subterranean formation with a treatment fluid whereby fine particulate flowback is reduced or prevented. The method includes the steps of providing a fluid suspension including a mixture of a particulate coated with a tackifying compound, pumping the suspension into a subterranean formation and depositing the mixture within the formation whereby the tackifying compound retards movement of at least a portion of any fine particulate within the formation upon flow of fluids from the subterranean formation through the wellbore. Alternatively, the tackifying compound may be introduced into a subterranean formation in a diluent containing solution to deposit upon previously introduced particulates to retard movement of such particulates and any fines subject to flow with production of fluids from the subterranean formation.
Patent CA-2219638-C (CA)
Title: Hard and tough sintered body for a cutting tool
Inventor: SHIRAISHI JUNICHI
IPC: C04B35/5831
Filed: 1997-10-28
Granted: 2002-07-30
Abstract: A sintered body for a cutting tool consists of high-pressure phase boron nitride, a residual binder phase, plus unavoidable impurities, and contains high-pressure phase boron nitride powder which has been previously coated with a binder before sintering. The coating binder consists of an element belonging to group 4a, 5a or 6a of the periodic table, and has an average thickness of 5 to 300 nm. Binder powder other than the coating binder consists of an element belonging to group 4a, 5a or 6a of the periodic table, and the contact ratio of high-pressure phase boron nitride is at least 20% and less than 50%. The product is a high-pressure phase boron nitride-based hard and tough sintered body for a cutting tool which is improved in wear resistance and chipping resistance.
Patent CA-2220275-C (CA)
Inventor: ALLEN KENNETH PAUL
IPC: G01V1/36
Filed: 1996-05-03
Granted: 1999-11-30
Abstract: A method for recording and pre-processing high fidelity vibratory seismic data includes measuring the motion of the vibrator (36) which is related to the vibrator applied force times a transfer function of minimum phase, causal, linar system relating the actual vibrator output with the measured vibrator motion, determining a ratio (52) by dividing the vibratory seismic data by the measured motion of the vibrator to remove the unknown applied force leaving the earcj reflectivity times a time derivative divided by a minimum phase function, minimum phase band pass filtering the resulting ratio and performing mimimum phase deconvolution to remove the time derivative divided by the transfer function of mimimum phase. The method may also include the steps of receiver ensemble deconvolution (56), statics correction (58), F-K filtering for noise (60), zero phase spiking deconvolution (64) and model dephasing (66). The actual signal that the vibrator (36) is sending into the ground is used in pre-processing.
Patent CA-2223241-C (CA)
Title: Methods and kits for determining pre-amplification levels of a nucleic acid target sequence from post-amplification levels of product
Inventor: KACIAN DANIEL LOUIS
IPC: C12Q1/68
Filed: 1996-05-02
Granted: 2009-11-17
Abstract: Methods and kits for relating initial amounts of target nucleic acids presen t in a sample to target-specific amplification products. It has been discovered that the transcription-mediated amplification system is capable of producing a quantitative relationship between target input and target-specific output. Further, the present invention relates to methods for carefully controlling this relationship resulting in an unexpectedly high degree of reproducibility. Also described are useful metho ds for extending the dynamic range of transcription-based amplification systems.
Patent CA-2223570-C (CA)
Title: Formic acid and formaldehyde destruction in waste streams
Inventor: SMITH LOWELL R
IPC: C07F9/38
Filed: 1996-06-03
Granted: 2001-10-30
Abstract: A process is provided for destroying formic acid and/or formaldehyde in an aqueous, organic acid waste stream by contacting the stream with a supported precious metal catalyst and passing air or molecular oxygen gas through the solution to promote chemical oxidation. The invention is a safe, practical and cost effective alternative to bio-system treatment of these compounds using microorganisms. The process of the invention may be practiced in either a batch or continuous mode and, in accordance with the invention, formic acid present in a stream at a level of 3800 ppm and formaldehyde present in an amount of 5800 ppm can be reduced respectively to levels of 200 ppm or less.
Patent CA-2223930-C (CA)
Title: Diffusion eclatee sur un bus d'interconnexion de composants peripheriques
Inventor: ANANTHAN MANICKAM
IPC: G06F13/38
Filed: 1996-06-07
Granted: 2000-10-24
Abstract: La présente invention concerne un système et un procédé destinés à la diffusion éclatée de données, à partir d'un appareil maître (60), vers des appareils cibles (70) multiples, par l'intermédiaire d'un bus (50) d'interconnexion de composants périphériques (PCI). Au départ, un appareil d'amorçage (60), dans le système, s'assure la commande du bus (50). L'appareil d'amorçage (60) examine un drapeau de cohérence interne. L'appareil d'amorçage (60) libère le bus (50) si son drapeau de cohérence est en place (si l'appareil d'amorçage n'est pas au milieu d'une diffusion éclatée précédente déjà commencée, auquel cas il conserve la commande du bus). L'appareil d'amorçage (60) met ensuite le drapeau de cohérence en place dans chacun des autres appareils (70) et, en même temps, il met en place son propre drapeau de cohérence. Une fois que tous les drapeaux de cohérence sont en place, l'appareil d'amorçage (60) diffuse un bloc de données sur le bus (50), vers chacun des autres appareils (70) simultanément. Quand la distribution éclatée est terminée, les drapeaux de cohérence, dans l'appareil d'amorçage (60) et dans chacun des autres appareils (70), sont remis à zéro simultanément par l'appareil d'amorçage (60). Cette invention complète une technique existante pour les bus en ajoutant un nouveau mode de fonctionnement.
Patent CA-2225904-C (CA)
Title: Bra insert
Inventor: GRONHOLZ CLAUS
IPC: A61F13/14
Filed: 1996-06-26
Granted: 2002-06-04
Abstract: An insert for a bra, wherein the insert adaptable to the inner shape of the cup comprises at least one zone storing an active ingredient and delivering to the skin, and at least one breathing compensation zone, wherein the zones selectively deliver active ingredients only or act in a compensating manner, or carry out both functions simultaneously.
Patent CA-2225944-C (CA)
Title: Absorbent article with extensible and articulating portions
Inventor: LAVASH BRUCE WILLIAM
IPC: A61F13/514
Filed: 1996-06-12
Granted: 2001-12-18
Abstract: Absorbent articles such as sanitary napkins, panty liners, and incontinence pads are disclosed that have a main body portion with extensible regions therein. In one embodiment, the absorbent article is a sanitary napkin that has portions that are able to move relative to each other and articulate abo ut flexible and extensible portions so that the product has an overall extensibility.
Patent CA-2231035-C (CA)
Inventor: FUKUNO HIROKI
IPC: F02C7/18
Filed: 1998-03-03
Granted: 2001-08-14
Abstract: The present invention provides a gas turbine blade in which the tip end thereof is cooled effectively to decrease the metal temperature for the prevention of burning and the temperature gradient of blade metal is decreased to prevent the occurrence of a crack.  In the gas turbine blade provided with a cooling passage therein, a protrusion is provided on the inside from the extension of blade profile on the outer surface of blade tip end.
Patent CA-2233429-C (CA)
Title: Polycarbonate/graft polymer moulding compositions with reduced deposit formation
Inventor: LEITZ EDGAR
IPC: C08L51/00
Filed: 1998-03-27
Granted: 2007-08-14
Abstract: Thermoplastic polycarbonate/graft polymer moulding compositions containing A) 5 to 95 parts by weight of an aromatic polycarbonate, B) 1 to 50 parts by weight of at least one thermoplastic homopolymer, copolymer or terpolymer of styrene, .alpha.- methylstyrene, acrylonitrile, N-substituted. maleimide or mixtures thereof, C) 1 to 50 parts by weight of at least one graft polymer of C.1) 5 to 90 parts by weight of styrene, .alpha.- methylstyrene, acrylonitrile, N-substituted. maleimide or mixtures thereof, on C.2) 95 to 10 parts by weight of a rubber with a glass transition temperature <= 0°C and D) 1 to 25 parts by weight (per 100 parts by weight A+B+C) of at least one additive selected from flame retardants, lubricants, antistatic agent, mould release agents or mixtures thereof, characterised in that the component B) is produced by bulk, solution or suspension polymerisation and has an oligomer content <= 1 wt.%, component C) is produced by emulsion polymerisation and the total oligomer content of the moulding compositions is <= 0.6 wt.%. The thermoplastic moulding compositions may be used for the production of mouldings by injection moulding and for high-gloss mouldings.
Patent CA-2238718-C (CA)
Inventor: VAN OSENBRUGGEN ANTHONY ALFRED
IPC: B24B23/00
Filed: 1996-11-21
Granted: 2001-11-20
Abstract: Accessories for an angle grinder include a resilient backing plate for use with an abrasive disk having shaped ventilating and viewing apertures. The apertures of the backing plate correspond to those on the disk and are shape d so that snagging of the apertures on projections from the work surface is minimized and to facilitate air flow across the work surface during use. Thi s air flow helps in cooling the work and ejecting detritus, so minimising clogging effects. The ventilating apertures also facilitate viewing the work  to be sanded through the spinning disk during the abrasion process, so that operator feedback is immediate. The holes also give the backing plate more resilience so that a greater area of the abrasive disk can come in contact with the work and the disk wears more evenly over its abrasive surface.</SDO AB>
Patent CA-2240267-C (CA)
Inventor: FARON ROBERT
IPC: C01B13/34
Filed: 1996-12-12
Granted: 2001-07-03
Abstract: A thermal decomposition method useful in the nuclear industry for preparing a powdered mixture of metal oxides having suitable reactivity from nitrates thereof in the form of an aqueous solution or a mixture of solids. According to the method, the solution or the mixture of solids is thermomechanically contacted with a gaseous fluid in the contact area of a reaction chamber, said gaseous fluid being fed into the reaction chamber at the same time as the solution or mixture at a temperature no lower than the decomposition temperature of the nitrates, and having a mechanical energy high enough to generate a fine spray of the solution or a fine dispersion of the solid mixture, and instantly decompose the nitrates. The resulting oxide mixtures may be used to prepare nuclear fuels.
Patent CA-2241362-C (CA)
Inventor: ERIKSEN ODD IVAR
IPC: C07D233/61
Filed: 1996-11-13
Granted: 2005-03-29
Abstract: Compositions and processes for using the compositions for applications in a subterranean formation are provided. The compositions include a composition which comprises a nitrogen-containing olefinic compound;  a composition comprises a water-soluble polymer prepared from the nitrogen-containing olefinic compound and optionally an olefinic comonomer; a composition which comprises the water-soluble polymer, a cross-linking agent, and a liquid; and a composition which comprises a clay, the water-soluble polymer, and a liquid. These compositions can be used as or in compositions for enhanced oil recovery, drilling fluids, workover fluids, completion fluids, or combinations of any two or more thereof.
Patent CA-2243759-C (CA)
Inventor: DI CESARE JOSEPH L
IPC: C12Q1/68
Filed: 1997-01-31
Granted: 2002-05-21
Abstract: La présente invention concerne un perfectionnement d'un système de dosage homogène permettant de détecter et/ou de mesurer une séquence d'acide nucléique cible répliquée selon un procédé d'amplification par réaction en chaîne de la polymérase. On utilise pour cela une polymérase d'acide nucléique présentant une activité exonucléase de 5' en 3', et exempte d'activité exonucléase de 3' en 5', une sonde analytique oligonucléotide n'admettant pas l'extension de chaîne au niveau de la terminaison 3' et marquée au niveau de la terminaison 5' d'un fluophore donneur à transfert d'énergie, et enfin une sonde de détection marquée au niveau de la terminaison 3' d'un fluophore accepteur à transfert d'énergie. Ces sondes, qui sont complémentaires l'une de l'autre, diffèrent quant à leur longueur nucléotide jusqu'à présenter un écart d'au moins 10 ·C entre leurs températures de fusion. La température de fusion de la sonde analytique oligonucléotide est au moins égale à la température de fusion des amorces utilisées pour le processus d'amplification par réaction en chaîne de la polymérase. En outre, la température de fusion de la sonde de détection oligonucléotide est inférieure à la température requise pour mener les opérations de pompage thermique de la réaction en chaîne de la polymérase. Il en résulte que pendant les opérations de pompage thermique de la réaction en chaîne de la polymérase, il y a production de fragments oligonucléotides marqués en 5' de fluophores, et ce, pendant la phase d'extension de la réaction en chaîne de la polymérase en raison de l'activité exonucléase de 5' en 3' de la polymérase sur la sonde analytique oligonucléotide reconstituée en des brins dénaturés de la séquence d'acide nucléique cible. La détection ou la mesure, (a) soit des fragments oligonucléotides marqués en 5' de fluophores, produits pendant les opérations de pompage thermique de la réaction en chaîne de la polymérase et mesurés par polarisation de fluorescence, (b) soit de la sonde analytique oligonucléotide hybridée en sonde de détection oligonucléotide mesurée par spectrophotométrie selon un procédé de mesure de transfert d'énergie, donne une mesure de la quantité de sonde analytique oligonucléotide consommée par l'amplification de la séquence d'acide nucléique cible, et donne donc une mesure de la quantité de séquence d'acide nucléique cible amplifiée au cours du processus de réplication par réaction en chaîne de la polymérase.
Patent CA-2252335-C (CA)
Inventor: SCHIMMEYER WERNER K
IPC: F23L11/00
Filed: 1998-11-02
Granted: 2001-10-09
Abstract: A vent damper is provided for limiting the flow of ambient air through the central core of a hot water heater having a combustion chamber, the central core forming an exhaust port leading to an exhaust duct for evacuation of exhaust gases from the combustion chamber.  The vent damper includes an annular base having an upwardly facing opening forming a passageway therethrough for passage of the exhaust gases from the exhaust port to the exhaust duct. A  poppet is pivotally supported above the annular base means to pivot between a closed position closing the passageway and a open position opening the passageway. The poppet is configured such that the exhaust gases generated in the combustion chamber and passing out of the exhaust port cause the poppet to pivot into the open position such that the gases may flow through the passageway.  The weight of the poppet is distributed about a pivot such that in the absence of the gases, it falls under the influence of gravity into the closed position to limit the flow of ambient air through the central core. A down draft hood is disposed between the poppet and the exhaust duct to provide down draft protection. The down draft hood includes side ports to allow the gases to flow from the exhaust port to the exhaust duct when the passageway is open. The down draft hood permits operational lifting of the closure element even in a downdraft situation. A flue hood covers the down draft hood.
Patent CA-2253764-C (CA)
Inventor: DEFLANDRE JEAN-PIERRE
IPC: G01V1/42
Filed: 1998-12-07
Granted: 2008-04-08
Abstract: Méthode pour faciliter la discrimination et l'identification d'événements sismiques ou micro-sismiques au moyen de capteurs permanents dans une zone souterraine en cours d'exploitation. - La méthode comporte l'installation à demeure, dans un ou plusieurs puits, de récepteurs d'ondes élastiques géophones, hydrophones, de façon à laisser les puits libres pour l'exploitation de la zone, et aussi d'au moins un capteur de référence avec couplage acoustique direct avec l'équipement technique d'exploitation de la zone (capteur plaqué contre une colonne d'exploitation par exemple) pour la détection des événements liés directement au fonctionnement des puits (ouverture et fermetures de vannes, etc.), l'acquisition des signaux issus des différents récepteurs et de chaque capteur de référence, en réponse aux ondes reçues, ainsi que l'analyse comparée des signaux associés aux récepteurs et au(x) capteur(s) de référence, pour trier les enregistrements en différentes familles selon que les événements dans la zone souterraine sont indépendants des événements détectés par chaque capteur de référence ou en dépendent directement ou indirectement, et pour chaque famille, l'application de traitements spécifiques. - Application par exemple à la surveillance à long terme de gisements de production ou de stockage de fluides : hydrocarbures, déchets divers, géothermie, etc.
Patent CA-2259168-C (CA)
Inventor: KAY TIMOTHY L
IPC: G06F7/58
Filed: 1997-06-18
Granted: 2002-10-01
Abstract: A method and an apparatus for generating random numbers for use in electronic applications is disclosed. A given sequence of random binary numbers of a certain length can be decoded into several random numbers for a specific application. The upper range values of the random numbers to be decoded determine the number of bits required for the generation of these random numbers. In the decoding process, the given random binary number divides a range value to generate a remainder and a quotient. The quotient becomes the new random binary number for the generation of other random numbers while the remainder is the generated random number. The proces then repeats to generate other random numbers. At the end of the generation process, the last quotient determines the validity of the generated random numbers.